CD43__90B
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOKTM
Dual SCR Isolated Module
90 Amperes / Up to 1800 Volts
Description:
Powerex Dual SCR Modules are
designed for use in applications
requiring phase control and isolated
packaging. The modules are isolated
for easy mounting with other
components on a common heatsink.
POW-R-BLOKTM has been tested and
recognized by the Underwriters
Laboratories.
OUTLINE DRAWING
A
C
F
G
H
T
B
J
K
"U" THREAD
"S" FASTON TAB
L
Features:
M
Q
P
D
Electrically Isolated Heatsinking
DBC Alumina (Al2O3) Insulator
Copper Baseplate
CD43__90B
N
Dual SCR Isolated
POW-R-BLOKTM Module
90 Amperes / Up to 1800 Volts
Low Thermal Impedance
for Improved Current Capability
UL Recognized (E78240)
6
7
3
1
2
+
-
5
4
Benefits:
CONNECTION DIAGRAM
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Ordering Information:
Reduce Engineering Time
Select the complete nine digit module
part number from the table below.
Example: CD431690B is a 1600Volt,
90 Ampere Dual SCR Isolated
POW-R-BLOKTM Module
CD43 Outline Dimensions
Dimension
Inches
Millimeters
Applications:
Bridge Circuits
A
B
C
D
F
G
H
J
3.66
0.79
3.15
1.18
0.61
0.79
0.79
0.16
0.22
0.59
93
20
80
30
15.5
20
20
4
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Lighting Control
Current
Amperes
Voltage
Volts
(x100)
Type
CD43
Version
B
Heat & Temperature Control
Welders
08
12
14
16
18
90
K
L
5.7
15
M
N
P
Q
S
T
1.10
0.31
28
8
0.94
24
1.16
29.4
2.8 x 0.8
6.4
0.11 x .03
0.25
U
M5
M5
Note: Dimensions are for reference only.
Revision Date: 04/28/2009